Home / 98,754.90-148,131.68-39,589.74

Finding the Fourth Proportional to 98,754.90, 148,131.68 and 39,589.74

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Solution

The fourth proportional to 98,754.90, 148,131.68 and 39,589.74 is: 59,384.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,754.90 : 148,131.68 = 39,589.74 : x
  2. Step 2: Convert to fraction form
    98,754.90/148,131.68 = 39,589.74/x
  3. Step 3: Cross multiply
    98,754.90x = 148,131.68 × 39,589.74
  4. Step 4: Simplify right side
    98,754.90x = 5,864,494,499.01
  5. Step 5: Solve for x
    x = 5,864,494,499.01/98,754.90
  6. Step 6: Final answer
    x = 59,384.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.